A loaded firearm was found Monday in a carry-on bag at the security checkpoint at an airport in Cedar Rapids, authorities said.

The firearm, which was loaded with seven rounds, was found in a passenger’s carry-on bag during an X-ray screening at the Eastern Iowa Airport, officials with the Transportation Security Administration said Tuesday.

Police seized the weapon and interviewed the passenger, who was not identified. The passenger was cited on a local charge and then allowed to continue.

In its statement, TSA said it found a record-setting 3,957 firearms at security screening checkpoints in 2017 at airports across the country. That was an average of nearly 11 every day — a 17 percent increase from 2016, authorities said.

Firearms, ammunition and realistic replicas are not allowed through security checkpoints but can travel in checked bags.

TSA has the ability to levy a civil penalty of up to $13,000 against a passenger who brings a firearm to the checkpoint; the average penalty for a loaded firearm is about $4,000, officials said.